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A combination of diffraction grating and prism used to obtain spectra from different parts of an image
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grism
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Grism — A grism is a combination of a prism and grating arranged to keep light at a chosen central wavelength undeviated as it passes through a camera.The resolution of a grism is proportional to the tangent of the wedge angle of the prism in much the… … Wikipedia
Grism — Ein Gitterprisma ist ein optisches Bauteil, das ein Prisma und ein optisches Gitter kombiniert. Als englisches Kunstwort existiert auch der Begriff grism (grating + prism). Gitterprismen finden hauptsächlich in Spektrografen Verwendung. Das… … Deutsch Wikipedia
Prism (optics) — For other uses, see Prism (disambiguation). A plastic prism In optics, a prism is a transparent optical element with flat, polished surfaces that refract light. The exact angles between the surfaces depend on the application. The traditional… … Wikipedia
Advanced Camera for Surveys — The Advanced Camera for Surveys (ACS) is a third generation axial instrument aboard the Hubble Space Telescope (HST). The initial design and scientific capabilities of ACS were defined by a team based at Johns Hopkins University. ACS was… … Wikipedia
NASA Infrared Telescope Facility — The NASA Infrared Telescope Facility atop Mauna Kea … Wikipedia
NICMOSlook — Screenshot of NICMOSlook NICMOSlook is a computer program to analyze spectral data obtained with the Near Infrared Camera and Multi Object Spectrometer (NICMOS) on board the Hubble Space Telescope (HST). The program was designed at the Space… … Wikipedia
congressman — ☆ congressman [käŋ′gris mən, kän′gris mən ] n. pl. congressmen [käŋ′grismən, kän′grismən] [often C ] a member of Congress, esp. of the House of Representatives … English World dictionary
Ogreism — O gre*ism, Ogrism O grism, n. The character or manners of an ogre. [1913 Webster] … The Collaborative International Dictionary of English
Ogrism — Ogreism O gre*ism, Ogrism O grism, n. The character or manners of an ogre. [1913 Webster] … The Collaborative International Dictionary of English
Fan Mountain Observatory — Infobox Observatory name = Fan Mountain Observatory background = caption = organization = Astronomy Department, University of Virginia code = location = Albemarle County, Virginia, United States coords =… … Wikipedia
